Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Some of the proposed pathways by which exercise inhibits cancer are summarized using the multistep model of carcinogenesis (86). Such a model provides a useful framework for outlining the complex network of cellular processes affecting initiation and promotion/progression of cancer formation. The strength of evidence supporting the specific mechanisms is variable.
